EP0890745A3 - Motor-driven blower and method of manufacturing impeller for motor-driven blower - Google Patents
Motor-driven blower and method of manufacturing impeller for motor-driven blower Download PDFInfo
- Publication number
- EP0890745A3 EP0890745A3 EP98112295A EP98112295A EP0890745A3 EP 0890745 A3 EP0890745 A3 EP 0890745A3 EP 98112295 A EP98112295 A EP 98112295A EP 98112295 A EP98112295 A EP 98112295A EP 0890745 A3 EP0890745 A3 EP 0890745A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor
- driven blower
- plate
- front plate
- impeller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/21—Manufacture essentially without removing material by casting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
- F05D2230/237—Brazing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/50—Building or constructing in particular ways
- F05D2230/53—Building or constructing in particular ways by integrally manufacturing a component, e.g. by milling from a billet or one piece construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/90—Coating; Surface treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/12—Light metals
- F05D2300/125—Magnesium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Hybrid Cells (AREA)
Abstract
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18623097A JP3675115B2 (en) | 1997-07-11 | 1997-07-11 | Electric blower and method of manufacturing impeller used for this electric blower |
JP18623097 | 1997-07-11 | ||
JP186230/97 | 1997-07-11 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0890745A2 EP0890745A2 (en) | 1999-01-13 |
EP0890745A3 true EP0890745A3 (en) | 1999-02-03 |
EP0890745B1 EP0890745B1 (en) | 2003-10-01 |
Family
ID=16184642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98112295A Expired - Lifetime EP0890745B1 (en) | 1997-07-11 | 1998-07-02 | Motor-driven blower and method of manufacturing impeller for motor-driven blower |
Country Status (6)
Country | Link |
---|---|
US (1) | US6146094A (en) |
EP (1) | EP0890745B1 (en) |
JP (1) | JP3675115B2 (en) |
KR (1) | KR100304230B1 (en) |
DE (1) | DE69818562T2 (en) |
TW (1) | TW428069B (en) |
Families Citing this family (68)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19751729C2 (en) * | 1997-11-21 | 2002-11-28 | Hermann Stahl Gmbh | fan |
JPH11264078A (en) * | 1998-03-18 | 1999-09-28 | Hitachi Ltd | Magnesium alloy member, its usage, its treatment solution and its production |
CN1160516C (en) * | 1998-05-13 | 2004-08-04 | 松下电器产业株式会社 | Electric blower and vacuum cleaner using it |
DE19905444C2 (en) * | 1999-02-10 | 2001-09-13 | Wessel Werk Gmbh | Sucking device |
KR100369919B1 (en) * | 1999-03-03 | 2003-01-29 | 미쓰비시덴키 가부시키가이샤 | Fan, a method of molding molden metal for fan, and a device or molding molden metal for fan |
JP2001219269A (en) * | 2000-02-07 | 2001-08-14 | Hitachi Ltd | Device and method for submerged working |
US6375422B1 (en) * | 2000-07-28 | 2002-04-23 | Bechtel Bwxt Idaho, Llc | Apparatus for pumping liquids at or below the boiling point |
DE10156106A1 (en) * | 2001-11-16 | 2003-05-28 | Isaak Klaus | Process for joining sheet metal parts |
JP2003232294A (en) * | 2002-02-08 | 2003-08-22 | Kioritz Corp | Blower fan divided body for assembly by hollow article forming method |
US6854960B2 (en) | 2002-06-24 | 2005-02-15 | Electric Boat Corporation | Segmented composite impeller/propeller arrangement and manufacturing method |
US20040187517A1 (en) * | 2002-11-05 | 2004-09-30 | Solomon Gerald W. | HVAC system with environmental contaminant protection |
FR2846898B1 (en) | 2002-11-07 | 2005-07-15 | Snecma Moteurs | METHOD FOR LASER WELDING IN ONE PASS OF A T-ASSEMBLY OF METAL PARTS |
KR20040104971A (en) * | 2003-06-03 | 2004-12-14 | 삼성전자주식회사 | Turbofan and manufacturing method thereof |
KR20040104772A (en) * | 2003-06-03 | 2004-12-13 | 삼성전자주식회사 | Turbofan and air conditioner with the same |
KR20040104974A (en) * | 2003-06-03 | 2004-12-14 | 삼성전자주식회사 | Turbofan and mold for manufacturing the same |
GB0326233D0 (en) * | 2003-11-11 | 2003-12-17 | Power Technologies Invest Ltd | System and method for pulverising and extracting mositure |
JP4716750B2 (en) * | 2005-02-18 | 2011-07-06 | 日本電産コパル電子株式会社 | Blower |
JP4504860B2 (en) * | 2005-04-05 | 2010-07-14 | 株式会社丸山製作所 | Impeller for centrifugal blower |
ITRE20050060A1 (en) | 2005-05-26 | 2006-11-27 | Emak Spa | PORTABLE ASPIRATOR FOR CLEANING WORKS |
US7628586B2 (en) * | 2005-12-28 | 2009-12-08 | Elliott Company | Impeller |
US20080152487A1 (en) * | 2006-12-22 | 2008-06-26 | Shaffer Chadwick A | Portable blower/vacuum and impeller for use with same |
JP5061836B2 (en) | 2007-10-10 | 2012-10-31 | 株式会社日立プラントテクノロジー | Impeller welding method and impeller |
WO2009105228A2 (en) * | 2008-02-22 | 2009-08-27 | Horton, Inc. | Fan manufacturing and assembly |
EP2143957B2 (en) * | 2008-07-10 | 2016-08-10 | Grundfos Management A/S | Flow guiding component of a pump |
DE102009007648A1 (en) * | 2009-02-05 | 2010-08-19 | Siemens Aktiengesellschaft | Method for producing a closed compressor impeller |
JP5378857B2 (en) * | 2009-03-27 | 2013-12-25 | 株式会社山田製作所 | Manufacturing method of closed impeller |
US8157517B2 (en) * | 2009-04-27 | 2012-04-17 | Elliott Company | Boltless multi-part diaphragm for use with a centrifugal compressor |
IT1394295B1 (en) * | 2009-05-08 | 2012-06-06 | Nuovo Pignone Spa | CENTRIFUGAL IMPELLER OF THE CLOSED TYPE FOR TURBOMACCHINE, COMPONENT FOR SUCH A IMPELLER, TURBOMACCHINA PROVIDED WITH THAT IMPELLER AND METHOD OF REALIZING SUCH A IMPELLER |
JP5342385B2 (en) * | 2009-09-15 | 2013-11-13 | 三菱電機株式会社 | Fan, electric blower equipped with the fan, and electric vacuum cleaner using the electric blower |
IT1397058B1 (en) | 2009-11-23 | 2012-12-28 | Nuovo Pignone Spa | CENTRIFUGAL IMPELLER MOLD, MOLD INSERTS AND METHOD TO BUILD A CENTRIFUGAL IMPELLER |
IT1397057B1 (en) | 2009-11-23 | 2012-12-28 | Nuovo Pignone Spa | CENTRIFUGAL AND TURBOMACHINE IMPELLER |
IT1397327B1 (en) * | 2009-12-11 | 2013-01-10 | Nuovo Pignone Spa | METHODS AND SYSTEMS FOR RADIUS WELDING. |
US20110182736A1 (en) * | 2010-01-25 | 2011-07-28 | Larry David Wydra | Impeller Assembly |
MY162293A (en) * | 2010-02-17 | 2017-05-31 | Panasonic Corp | Impeller,electric air blower using same,and electric cleaner using electric air blower |
JP5342485B2 (en) * | 2010-03-25 | 2013-11-13 | 三菱電機株式会社 | Fan, electric blower including the fan, electric vacuum cleaner using the electric blower, and fan manufacturing method |
US9086075B2 (en) | 2011-07-07 | 2015-07-21 | Pentair Water Pool And Spa, Inc. | Impeller assembly and method |
US10001020B2 (en) * | 2011-11-14 | 2018-06-19 | Twin City Fan Companies, Ltd. | Composite fan blade, including wheel and assembly characterized by same |
ITCO20110064A1 (en) | 2011-12-14 | 2013-06-15 | Nuovo Pignone Spa | ROTARY MACHINE INCLUDING A ROTOR WITH A COMPOSITE IMPELLER AND A METAL SHAFT |
JP5888494B2 (en) | 2011-12-15 | 2016-03-22 | 日本電産株式会社 | Centrifugal fan device |
JP6228728B2 (en) * | 2012-05-29 | 2017-11-08 | ミネベアミツミ株式会社 | Centrifugal fan |
US10221855B2 (en) | 2012-07-20 | 2019-03-05 | Regal Beloit America, Inc. | Furnace air handler blower assembly utilizing a motor connected to an impeller fan that is suspended with mounting arms |
US9777735B2 (en) | 2012-07-20 | 2017-10-03 | Regal Beloit America, Inc. | Blower motor assembly having air directing surface |
KR101465052B1 (en) * | 2013-04-12 | 2014-11-25 | 두산중공업 주식회사 | Shrouds of centrifugal compressor impeller and method of manufacturing the same |
JP6341637B2 (en) * | 2013-06-14 | 2018-06-13 | 三菱電機株式会社 | Manufacturing method of centrifugal blower |
KR102126866B1 (en) * | 2013-08-07 | 2020-06-25 | 한화파워시스템 주식회사 | Impeller assembly of fluid rotary machine and manufacturing method thereof |
US20150071800A1 (en) * | 2013-09-10 | 2015-03-12 | Samsung Electro-Mechanics Co., Ltd. | Impeller for electric blower and electric blower having the same |
ITCO20130067A1 (en) | 2013-12-17 | 2015-06-18 | Nuovo Pignone Srl | IMPELLER WITH PROTECTION ELEMENTS AND CENTRIFUGAL COMPRESSOR |
FR3016134B1 (en) * | 2014-01-08 | 2016-04-15 | Alstom Renewable Technologies | METHOD FOR MANUFACTURING A FRANCIS TYPE WHEEL FOR A HYDRAULIC MACHINE AND A WHEEL MADE BY SUCH A METHOD |
USD776166S1 (en) * | 2014-11-07 | 2017-01-10 | Ebara Corporation | Impeller for a pump |
US10375901B2 (en) | 2014-12-09 | 2019-08-13 | Mtd Products Inc | Blower/vacuum |
JP6536054B2 (en) * | 2015-02-04 | 2019-07-03 | 三菱電機株式会社 | Electric blower and electric vacuum cleaner provided with the electric blower |
DE102015101938A1 (en) * | 2015-02-11 | 2016-08-11 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Fan wheel and fan |
JP2016191310A (en) * | 2015-03-30 | 2016-11-10 | 日本電産株式会社 | Blower impeller and air blower |
CN104989665B (en) * | 2015-06-09 | 2018-01-09 | 昆山广禾电子科技有限公司 | The making technology of light small magnesium alloy fan |
AU201711334S (en) * | 2016-09-09 | 2017-03-29 | Battlemax Pty Ltd | Impeller |
US10448797B2 (en) | 2016-10-19 | 2019-10-22 | Tti (Macao Commercial Offshore) Limited | Vacuum cleaner |
KR101943756B1 (en) * | 2017-11-15 | 2019-01-30 | 주식회사 지엔지건설 | Molding Joint Insertion Device for Concrete Pavement |
WO2019179055A1 (en) * | 2018-03-20 | 2019-09-26 | 中山大洋电机股份有限公司 | Wind rotor and blower using same |
KR102509054B1 (en) * | 2018-04-18 | 2023-03-10 | 한화파워시스템 주식회사 | Rotor assembly |
JP7052524B2 (en) * | 2018-04-23 | 2022-04-12 | 株式会社デンソー | Impeller and fluid pump |
GB2574221A (en) * | 2018-05-30 | 2019-12-04 | Cnc Subcon Services Ltd | Impeller and method of manufacture |
PT3604792T (en) | 2018-08-03 | 2022-01-31 | Ge Renewable Tech | Pre-formed plug with inter-blade profiles for hydraulic turbines |
JP7149174B2 (en) | 2018-12-10 | 2022-10-06 | ダイキン工業株式会社 | Closed impeller and manufacturing method thereof |
CN114258461A (en) * | 2019-08-13 | 2022-03-29 | 艾默生环境优化技术有限公司 | Method for manufacturing a shrouded impeller, shrouded impeller and compressor |
KR102320558B1 (en) * | 2020-02-18 | 2021-11-02 | 엘지전자 주식회사 | Impeller and method of manufacturing the same |
KR20210115303A (en) * | 2020-03-12 | 2021-09-27 | 엘지전자 주식회사 | Impeller |
JP7375698B2 (en) * | 2020-07-20 | 2023-11-08 | 株式会社豊田自動織機 | centrifugal compressor |
US20220314348A1 (en) * | 2021-04-06 | 2022-10-06 | Lisheng Yu | Dustless miter saw |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1143291A (en) * | 1954-12-24 | 1957-09-27 | Thomson Houston Comp Francaise | Assembly of a paddle wheel |
GB1028452A (en) * | 1964-03-09 | 1966-05-04 | Pulsometer Pumps Ltd | Rotors for pumps or turbines |
DE4017358A1 (en) * | 1990-05-30 | 1991-12-05 | Bmw Rolls Royce Gmbh | Gas turbine engine compressor rotor - is for one-off or temporary use and is made from heat resistant magnesium alloy |
EP0615810A2 (en) * | 1993-03-18 | 1994-09-21 | Hitachi, Ltd. | Vane member and method for producing joint |
DE29507709U1 (en) * | 1995-05-15 | 1995-07-06 | Elektra Beckum Ag, 49716 Meppen | Suction / blower |
WO1997019629A1 (en) * | 1995-11-24 | 1997-06-05 | Nilfisk A/S | A blower for a vacuum cleaner |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3782851A (en) * | 1973-01-02 | 1974-01-01 | Outboard Marine Corp | Die castable centrifugal fan |
JPS5336412B2 (en) * | 1974-02-20 | 1978-10-03 | ||
US4322200A (en) * | 1976-02-09 | 1982-03-30 | Stiegelmeier Owen E | Heavy duty impeller |
US5336050A (en) * | 1993-05-06 | 1994-08-09 | Penn Ventilator Co. Inc. | Ventilator fan device |
US5328332A (en) * | 1993-05-25 | 1994-07-12 | Chiang Swea T | Wheel fan of range hood |
JPH07103190A (en) * | 1993-10-06 | 1995-04-18 | Takao Kobayashi | Structure of impeller for lightweight-low noise type turbofan |
US5438755A (en) * | 1993-11-17 | 1995-08-08 | Giberson; Melbourne F. | Method of making a monolithic shrouded impeller |
-
1997
- 1997-07-11 JP JP18623097A patent/JP3675115B2/en not_active Expired - Fee Related
-
1998
- 1998-06-17 TW TW087109701A patent/TW428069B/en not_active IP Right Cessation
- 1998-07-02 EP EP98112295A patent/EP0890745B1/en not_active Expired - Lifetime
- 1998-07-02 DE DE69818562T patent/DE69818562T2/en not_active Expired - Fee Related
- 1998-07-11 KR KR1019980028057A patent/KR100304230B1/en not_active IP Right Cessation
- 1998-07-13 US US09/114,485 patent/US6146094A/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1143291A (en) * | 1954-12-24 | 1957-09-27 | Thomson Houston Comp Francaise | Assembly of a paddle wheel |
GB1028452A (en) * | 1964-03-09 | 1966-05-04 | Pulsometer Pumps Ltd | Rotors for pumps or turbines |
DE4017358A1 (en) * | 1990-05-30 | 1991-12-05 | Bmw Rolls Royce Gmbh | Gas turbine engine compressor rotor - is for one-off or temporary use and is made from heat resistant magnesium alloy |
EP0615810A2 (en) * | 1993-03-18 | 1994-09-21 | Hitachi, Ltd. | Vane member and method for producing joint |
DE29507709U1 (en) * | 1995-05-15 | 1995-07-06 | Elektra Beckum Ag, 49716 Meppen | Suction / blower |
WO1997019629A1 (en) * | 1995-11-24 | 1997-06-05 | Nilfisk A/S | A blower for a vacuum cleaner |
Also Published As
Publication number | Publication date |
---|---|
DE69818562D1 (en) | 2003-11-06 |
KR100304230B1 (en) | 2001-12-31 |
JP3675115B2 (en) | 2005-07-27 |
US6146094A (en) | 2000-11-14 |
TW428069B (en) | 2001-04-01 |
KR19990013794A (en) | 1999-02-25 |
EP0890745B1 (en) | 2003-10-01 |
EP0890745A2 (en) | 1999-01-13 |
JPH1130195A (en) | 1999-02-02 |
DE69818562T2 (en) | 2004-08-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
PUAL | Search report despatched |
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